diff --git a/apps/authentication/backend/models/user/models.py b/apps/authentication/backend/models/user/models.py
index 6fd8936..ed42412 100644
--- a/apps/authentication/backend/models/user/models.py
+++ b/apps/authentication/backend/models/user/models.py
@@ -63,7 +63,6 @@ class UsageLogDoc(Document):
     tenant_id: str                              # tenant id
     operation: str                              # operation type
     request_id: str                             # request id # TODO: use true one
-    units: int                                  # units
     status: str                                 # operation status
     latency_ms: int                             # latency time(milliseconds)
     bytes_in: int                               # input bytes
diff --git a/apps/authentication/webapi/middleware/freeleaps_auth_middleware.py b/apps/authentication/webapi/middleware/freeleaps_auth_middleware.py
index c9b60fb..498bb1d 100644
--- a/apps/authentication/webapi/middleware/freeleaps_auth_middleware.py
+++ b/apps/authentication/webapi/middleware/freeleaps_auth_middleware.py
@@ -168,7 +168,6 @@ class FreeleapsAuthMiddleware:
                 tenant_id=validation_result.get("tenant_name"),
                 operation=f"{request.method} {request.url.path}",
                 request_id=request.headers.get("X-Request-ID", "unknown"),
-                units=1,  # TODO: adjust according to business logic
                 status="success" if response.status_code < 400 else "error",
                 latency_ms=int(process_time),
                 bytes_in=bytes_in,
diff --git a/apps/notification/backend/models/models.py b/apps/notification/backend/models/models.py
index f1a02d1..4766a74 100644
--- a/apps/notification/backend/models/models.py
+++ b/apps/notification/backend/models/models.py
@@ -111,7 +111,6 @@ class UsageLogDoc(Document):
     tenant_id: str                              # tenant id
     operation: str                              # operation type
     request_id: str                             # request id # TODO: use true one
-    units: int                                  # units
     status: str                                 # operation status
     latency_ms: int                             # latency time(milliseconds)
     bytes_in: int                               # input bytes
diff --git a/apps/notification/webapi/middleware/freeleaps_auth_middleware.py b/apps/notification/webapi/middleware/freeleaps_auth_middleware.py
index 5ef7188..604646c 100644
--- a/apps/notification/webapi/middleware/freeleaps_auth_middleware.py
+++ b/apps/notification/webapi/middleware/freeleaps_auth_middleware.py
@@ -168,7 +168,6 @@ class FreeleapsAuthMiddleware:
                 tenant_id=validation_result.get("tenant_name"),
                 operation=f"{request.method} {request.url.path}",
                 request_id=request.headers.get("X-Request-ID", "unknown"),
-                units=1,  # TODO: adjust according to business logic
                 status="success" if response.status_code < 400 else "error",
                 latency_ms=int(process_time),
                 bytes_in=bytes_in,